i was driving east on 179th street in orland park (i later crossed over into tinley park) and i noticed 3 bright red-orange lights in the sky. i have never seen anything that looked like this. i am not sure as to how high they were since it was dark out already. i seemed to be able to keep up with them for a while. they would drift in and out of a triangle and horizontal line formation and get closer and further apart sort of randomly. they were also not giving off any sound that i could hear. luckily i had my digital camera with me and i stoped a few times to take some short videos of them. after the last stop i made i went into an apartment complex and when i came back out the three lights got extremely close together like something you would see in an air show with the blue angles jets. then i saw what looked like a white light at the head of the three red-orange lights and they took off in a north-northwest direction faster than ive ever seen an airplane move. they were out of sight in less than a minute (probably about 45 seconds).